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add check in spinlocks if another task is ready

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This commit is contained in:
Stefan Lankes 2017-05-21 23:41:50 +02:00
parent 0527084f7f
commit 8047f898e2
1 changed files with 5 additions and 2 deletions
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7
include/hermit/spinlock.h
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@ -38,6 +38,7 @@
#include <hermit/spinlock_types.h>
#include <hermit/tasks_types.h>
#include <hermit/errno.h>
#include <hermit/tasks.h>
#include <asm/atomic.h>
#include <asm/processor.h>
#include <asm/irqflags.h>
@ -103,7 +104,8 @@ inline static int spinlock_lock(spinlock_t* s) {
#if 1
ticket = atomic_int32_inc(&s->queue);
while(atomic_int32_read(&s->dequeue) != ticket) {
PAUSE;
//PAUSE;
check_scheduling();
}
s->owner = curr_task->id;
s->counter = 1;
@ -193,7 +195,8 @@ inline static int spinlock_irqsave_lock(spinlock_irqsave_t* s) {
ticket = atomic_int32_inc(&s->queue);
while (atomic_int32_read(&s->dequeue) != ticket) {
PAUSE;
//PAUSE;
check_scheduling();
}
s->coreid = CORE_ID;